Frank Richter,Ross MacArthur,Elizabeth Verity Wolseley-Hext,Joseph David Cowan,Lee Thomas Smith,David John Mills
申请号：
US14369041
公开号：
US20140371561A1
申请日:
2013.01.09
申请国别(地区):
US
年份:
2014
代理人:
摘要：
The specification describes a cartridge for insertion into a meter, the interior of the meter comprising a boss having a main body and a protrusion extending from the main body. The cartridge comprises an orientation member provided at one end of the cartridge, the orientation member comprising a recess having a cross-sectional shape corresponding to that of the boss and configured to receive the boss therein, the orientation member further comprising a ramp surrounding at least part of the portion of the recess corresponding to the main body, the portion of the recess which corresponds to the protrusion adjoining the lower end of the ramp via a step.
